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Emerald|Lab Grown|IGI

1.28ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG506195335

Shape and cutting style on the report: Emerald cut

Certificate IGI LG506195335

Diamond specifications and retailer prices

From £684 GBP
$917 USD
As of October 30, 2026
Save £2,022 GBP (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,706 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown emerald diamond

This 1.28ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG506195335 or 506195335. Listed at 15 retailers as of October 29, 2026, with prices from £684 to £2,706, a £2,022 spread on the same certified stone. MOH London lists it at £2,706. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.1°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506195335
Dimensions7.76 × 5.01 × 3.10 mm
L/W Ratio1.55
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.76 mm5.01 mm1.28 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506195335
Side View
Table 68.5%Crown 23.1°Girdle: Slightly ThickPavilion 33.4°Culet: LNGDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,706 GBP|Low: £546 GBP|High: £2,728 GBP|Avg: £1,465 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 29, 2026
Retailer 13£684 GBP
Retailer 4£744 GBP
Retailer 5£766 GBP
Retailer 3£793 GBP
Retailer 15£793 GBP
Retailer 14£896 GBP
Retailer 10£925 GBP
Retailer 8£1,167 GBP
Retailer 16£1,272 GBP
Retailer 2£1,459 GBP
Retailer 12£1,766 GBP
Retailer 11£2,066 GBP
Retailer 6£2,195 GBP
Retailer 17£2,232 GBP
Retailer 9£2,273 GBP
Retailer 7£2,371 GBP
MOH London£2,706 GBP

29 data points across 17 retailers

15 retailers£684 GBP to £2,706 GBP

B+
Cheapest Retailer
-
£684 GBP
$917 USD
B+
Retailer 2
-
£744 GBP
$997 USD
View
B+
Retailer 3
-
£766 GBP
$1,026 USD
View
Final sale: no returns
B+
Retailer 4
-
£793 GBP
$1,063 USD
View
Retailer 5
-
£793 GBP
$1,063 USD
View
Price last confirmed 13 days ago
B
Retailer 6
-
£896 GBP
$1,200 USD
View
B
Retailer 7
-
£925 GBP
$1,240 USD
View
B
Retailer 8
-
£1,272 GBP
$1,704 USD
View
B
Retailer 9
-
£1,459 GBP
ZAR 31,578 ZAR
View
B
Retailer 10
-
£1,766 GBP
$2,366 USD
View
Retailer 11
-
£2,066 GBP
A$4,259 AUD
View
Price last confirmed 8 days ago
B
Retailer 12
-
£2,195 GBP
View
B
Retailer 13
-
£2,232 GBP
$2,990 USD
View
B
Retailer 14
-
£2,371 GBP
$3,177 USD
View
Most Expensive
B
MOH London
LG506195335 · Oct 29
£2,706 GBP
View
14 more retailers have this diamond
Prices start from £684 GBPSave up to £2,022 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.28ct Emerald
£684 GBP